Passport to Pimlico is one of the most charmingly whimsical Ealing Studios comedies of the late 1940s-early 1950s. As a result of wartime bombing, an ancient parchment is uncovered, proving that the Pimlico section of London belongs to Burgundy, France.
Long taken for granted by other Londoners, the tiny Pimlico populace decides to take advantage of its "foreign" status.